Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
South Africa

HW-MN0804265 – Residency

6th sighting in South Africa
Fluke of HW-MN0804265
HW-MN0804265 Confirmed in the catalog @127710
Nov 6, 2024 – Feb 20, 2025 · South Africa

South Africa · Nov 2024 – Feb 2025

54 m
Deepest dive
2:18
Longest dive
106
Dives
Sightings
7
Days between first and last sighting
106
Deepest dive on record
54 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 6, 202480 m—54 m
Dec 15, 202470 m—51 m
Dec 28, 202452 m—45 m
Dec 29, 202450 m—44 m
Dec 29, 202456 m—44 m
Dec 31, 202477 m—43 m
Feb 20, 202549 m—39 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Nov 6, 2024 — seafloor 80 m (measured), deepest dive 54 m (modelled)Nov 6Dec 15, 2024 — seafloor 70 m (measured), deepest dive 51 m (modelled)Dec 15Dec 28, 2024 — seafloor 52 m (measured), deepest dive 45 m (modelled)Dec 28Dec 29, 2024 — seafloor 50 m (measured), deepest dive 44 m (modelled)Dec 29Dec 29, 2024 — seafloor 56 m (measured), deepest dive 44 m (modelled)Dec 29Dec 31, 2024 — seafloor 77 m (measured), deepest dive 43 m (modelled)Dec 31Feb 20, 2025 — seafloor 49 m (measured), deepest dive 39 m (modelled)Feb 20

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

54 m
Deepest dive
2:18
Longest dive
106
Dives
23 m
Avg dive depth
7
Sightings
106
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010054 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (80 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Nov 6, 2024

measured
Seafloor depth
80 m
Sea-surface temperature
—
Distance from shore
21.0 km

Across the residency · 7 sightings

measured
Seafloor depth
49 m – 80 m
Sea-surface temperature
—
Distance from shore
3.0 km – 21.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 7 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.